SQL Server Constraints Interview Preparation Guide Download PDF
MS SQL Server constraints job interview questions and answers guide. The one who provides the best MS SQL Server constraints answers with a perfect presentation is the one who wins the interview race. Learn SQL Server Constraints and get preparation for the job of MS SQL Server constraints
2 MS SQL Server Constraints Questions and Answers:
1 :: What is default constraint in MS SQL Server?
Default constraint is used to fill column with default value defined during creation of table if nothing is supplied while inserting data. IDENTITY columns and timestamp columns can't be associated with default constraint.
2 :: What are constraints in Microsoft SQL Server?
Constraints enforce the data integrity to the database and protect columns of the table from unwanted values. NOT NULL, CHECK, UNIQUE, PRIMARY KEY, FOREIGN KEY are the types of contraints define in SQL Server.